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经营范围
发明名称
Procédé pour épurer des gaz
摘要
申请公布号
FR938638(A)
申请公布日期
1948.10.20
申请号
FRD938638
申请日期
1946.10.04
申请人
KOPPERS COMPANY, INC.
发明人
分类号
C10K1/12
主分类号
C10K1/12
代理机构
代理人
主权项
地址
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